The Truth About FPV Drone Battery Capacity — The Difference Between Stated Specs and Actual Performance, A Complete Guide to Accurate Measurement and Selection
Photo by René Ranisch on Unsplash When buying an FPV drone battery, the first important specification you check is mAh (milliampere-hour). But do you always think this number is accurate? Unfortunately, many FPV drone batteries on the market often state specs that are 5-20% higher than their actual capacity. This capacity discrepancy is a hidden reason why battery life is shorter than expected and FPV drone flight time is reduced. This guide will help you understand the difference between stated capacity and actual performance, and teach you how to accurately measure and select FPV drone batteries. Understanding the Gap Between Stated and Actual Capacity Battery capacity ratings are measured under ideal conditions. Due to manufacturing variations, differences in cell quality, and testing environment variables, the actual capacity can vary significantly. Especially with low-cost batteries or some manufacturers looking to maximize profit margins, capacities may be intentionally i...